update maixcdk link

docs/hardware/en/maixcam/maixcdk.md

@@ -6,7 +6,7 @@ title: Using MaixCDK on MaixCAM
 
 MaixCDK is a C++ SDK designed for Maix series products, which makes it convenient for developers to quickly develop AI applications. It has a simple and easy-to-use API, supports various AI-related functions, and multiple peripheral operations.
 
-For more details, please see [MaixCDK](https://github.com/sipeed/MaixCDK).
+For more details, please see [MaixCDK](https://wiki.sipeed.com/maixcdk/).
 
 In addition, its Python version of the SDK is [MaixPy](https://wiki.sipeed.com/maixpy/), which is a simpler and easier-to-use Python SDK.
 

docs/hardware/zh/maixcam/maixcdk.md

@@ -6,7 +6,7 @@ title: 在 MaixCAM 上使用 MaixCDK
 
 MaixCDK 是为 Maix 系列产品设计的一个方便开发者快速开发 AI 应用的 C++ SDK，有着简单易用的 API，支持各种 AI 相关的功能，以及多种外设操作。
 
-具体请看 [MaixCDK](https://github.com/sipeed/MaixCDK)。
+具体请看 [MaixCDK](https://wiki.sipeed.com/maixcdk/)。
 
 另外其 Python 版本的 SDK 是 [MaixPy](https://wiki.sipeed.com/maixpy/)，是一个更简单易用的 Python SDK。
 

layout/maix.html

@@ -195,7 +195,7 @@
         btns: [
           {
             label: "{{_('文档')}}",
-            link: "https://github.com/sipeed/MaixCDK",
+            link: "https://wiki.sipeed.com/maixcdk/",
             new_tab: true,
           },
           {